Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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compare two xls file to remove duplicate rows

I have two xls files of 8MB and 10MB. I have to merge them and remove duplicate rows. (Both files have unique rows but after merging there will be duplicate rows). I have tried merging the files, but ...
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36 views

The brightness of the screen is set to 0% automatically

After leaving my laptop for a long time, it locks automatically. But when I'm back, the brightness of the screen is set to 0% automatically, which makes me feel so inconvenient. My laptop is Dell ...
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121 views

Can I use a 12.04 kernel (v3.2) with Ubuntu 14.04 LTS instead of v3.13/4.2?

As refer to my earlier problems with 14.04, Ethernet Connection randomly disconnects after transmit queue 0 timed out I was having trouble using Ethernet in 14.04, and this problem still persists ...
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61 views

Error when trying to format USB drive

I want to format my USB drive. In terminal, I use the following commands: umount /dev/sdb1 mkfs.vfat -I -n "New Volume" "/dev/sdb1" But I could not. It shows me following error: mkfs.vfat 3.0.12 (...
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75 views

Random Black Screen Crash Ubuntu 12.04

I recently backed my pc up and did a fresh install from the same 12.04 cd I always use and since have experienced frequent and what appear to be random crashes. It seems like some kind of driver issue ...
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66 views

Unity launcher reset after each reboot and unable to change wallpaper

I recently installed Ubuntu 12.04.5LTS (32bit), now after each reboot the new icons added/removed to(from) the launcher get reset and it goes to the initial configuration, as you see below. I am ...
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40 views

generic pae errors

Ubuntu 12.04 LTS throws the following error when I try to install any apps.Followed the below URL but does not fix. apt-get won't upgrade old generic-pae cryptsetup: WARNING: failed to detect ...
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24 views

Error with Youtube after installing VLC

I have installed VLC media player from Software Centre. After that, my laptop can't play videos in Youtube (I use FireFox), too many lags. How can I solve this issue? Thank you in advanced. Ps: I ...
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87 views

Unable to correct dependencies: libc6

After installing a software, Ubuntu boots correctly but Unity does not show up (only desktop icons appear). I tried: sudo apt-get -f install user@pc:~$ sudo apt-get -f install [sudo] password for ...
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95 views

Not able to fetch following updates for 12.04?

When I try to use update manager, it is stopping with following errors. Please suggest or help me with this. Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_3.2.0-...
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65 views

where to find Terminal log history with commands and it's results?

I tried to install Yocto project in Ubuntu 12.04, when for the first time i got few warnings, and i gave a rerun then i got some other warnings in the terminal. Now, my terminal is exceeded it's ...
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124 views

step by step solution to fan problem in Ubuntu 12.04 LTS

I quite recently replaced my laptop fan and was functioning, at least fine though the speed seems to be low in Ubuntu. Now I think after updating the system (not sure) fan does not seem working. $...
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25 views

Updater funktioniert nicht [duplicate]

Sobald ich versuche mein System (Ubuntu 12.04 Lts) upzudaten, erscheint folgende Nachricht: Ein unlösbares Problem ist während der Initialisierung der Paketinformation aufgetreten. Bitte melden Sie ...
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125 views

How to install the latest stable version of 'Mars Eclipse' on machine running on Ubuntu 12.04 LTS?

I'm a PHP developer and I'm using SublimeText editor for PHP coding on my machine that runs on Ubuntu Linux 12.04 LTS(64-bit) operating system. I don't have installed any software related to Java(...
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2answers
44 views

Ubuntu 12.04 LTS poor video quality

I'm using Ubuntu 12.04 LTS alongside with Windows 7. It seems like the video quality does not good as in Windows 7. How can I solve this problem? Thank you in advanced.
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Ubuntu 12.04 - NVIDIA Latest update questions

I just did a fresh install on Ubuntu 12.04, did my updates, and then i tried to update NVIDIA to the most recent update. I encountered the same error i had from this posts that i posted: No drivers ...
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1answer
128 views

Flashplayer support needed for starsports videos

I know there is a problem with flash player. In my case I have 64 bit ubuntu 12.04 system. Youtube videos works fine, gifs works fine and even i have played flash games. But the problem is when I ...
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2answers
124 views

Troubleshooting high Sy CPU Usage

I am running a Supermicro server with Ubuntu 14.04.4 LTS. We have an app that is maxing out the sy cpu time, while barely touching user space. I run the same app on older hardware, with Ubuntu 12.04.4 ...
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21 views

I can't upgrade my ubuntu 12.04 to 12.10 [closed]

I have a problem installing the 12.10, because it says that it isn't supported anymore
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54 views

Server kernel upgrade

What are the implications of a database server that hasn't been restarted for a while. The last restart was in July, and am I being over cautious that something will break when I restart it? We do not ...
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34 views

How to recover desktop

I am using Ubuntu 12.04, and I uninstalled Netbeans. After rebooting, the Ubuntu desktop was gone. I'm not able to connect to internet in terminal. Can I install the desktop in the terminal offline, ...
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63 views

how to install ubuntu server 12.04 through netboot using pxe

I have ubuntu server 12.04 installed as server. Also tftp server, dhcp3-server, syslinux and apache were installed on it. There are lots of clients which I am trying to install ubuntu server 12.04 on ...
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15 views

Desktop recovery for Ubuntu 12.04

I am using Ubuntu 12.04. Recently I written a script to rename all the files in the Desktop. My script went wrong. All folders were renamed, but all the files in the desktop were deleted. How do I ...
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1answer
62 views

Chromium not loading google related sites, youtube ubuntu ask etc [duplicate]

noob here having issues with google, youtube, etc not loading running 12.04 LTS. I uninstalled and reinstalled chromium various times. I'd hate to reinstall 12.04 as i have had issues with various ...
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1answer
26 views

web interface tool for mysql administration

I want simple web interface tool for client to insert in MySQL table. I use phpmyadmin but I need another tool being more simple
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1answer
24 views

Usage share of various Ubuntu releases - 12.04 nowhere used anymore?

Are there available any usage share statistics across all Ubuntu releases? I'm asking in regards to Google Chrome no more providing updates for Ubuntu 12.04 starting in early March 2016. According ...
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80 views

How to get 12.04.3 to a supported LTS kernel (3.13.xx kernel or 3.2.xxx kernel)?

I installed a friends PC with a 12.04.3 install medium. I thought with 12.04 I had always long term support. But looking at kernel support (see https://wiki.ubuntu.com/Kernel/LTSEnablementStack#Kernel....
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39 views

Cannot boot after changing locale

After I changed my locale and rebooted, now I get this error: [ 1.863178] init: mountall main process (223) terminated with status 2 Filesystem check or mount failed. A maintenance shell will now ...
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94 views

Getting rid of phishing and spamming emails

I am using an ubuntu headless server for email and other things. One of my emails that I use on business cards is being targeted by spammers and "phishers". I am sick of filtering. Is there a way to ...
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9k views

“SSL Protocol Error” in Chromium for several Google web sites after installing Ubuntu Security Updates for libnss3

Scenario: Laptop computer running Ubuntu 12.04.5 LTS (64-bit) ("Precise Pangolin") Issue: In the Chromium web browser - "Version 37.0.2062.120 Ubuntu 12.04 (281580) (64-bit)" - after having installed ...
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1answer
57 views

How to restore mdadm raid 1 from one HDD

I had 2 HDD's as /dev/md0 where was simple RAID1(mirror) with one partition. First it was created /dev/md0 and then there was created Filesystem. Now I have only one HDD from this RAID and i want ...
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17 views

How to prevent “Could not update ICEauthority file /home/[username]/.ICEauthority” when disk is full

Our users have the possibility to login via Windows or Ubuntu 12.04. If their home drive is full, they get the error on Ubuntu "Could not update ICEauthority file /home/[username]/.ICEauthority" and ...
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14 views

how to fix libwayland missing in Ubunutu 12.04

hi how can i resolve this error message saying error while loading shared libraries: libwayland-client.so.0: cannot open shared object file: No such file or directory. i tried installing ...
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45 views

Login screen does not continue

I updated from Ubuntu 12.04 to 14.04. Now it does not leave the login screen. When I type my password "correct" it reboots and returns to the same login screen. What can do I do?
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16 views

how does bell turbo stick connect Ubuntu 12.04?

Im trying to connect bell turbo stick with Ubuntu 12.04 but it not gonna connect.please give a suggestion to connect it with Ubuntu.
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88 views

Install Php 7.0 and Laravel 5 offline Ubuntu 12.04.3 LTS

I have computer with Ubuntu 12.04.3 LTS with no internet(use as server) and I need to install Laravel 5. I tried to install Php 7.0 that I downloaded from here: http://php.net/downloads.php But still ...
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2answers
42 views

Installing Firefox in Ubuntu 12.04: configure no such file [duplicate]

I have downloaded a tarball for installing Firefox. Once it’s unpacked, the /configure command does not work. I happened to notice that the unpacked folder contains configure, read me, or install ...
2
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1answer
58 views

Will a 10.04 driver work on 12.04?

I have a camera driver supplied by its manufacturer but they only say it works on 10.04. My question is that this driver can be used also on 12.04?
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1answer
148 views

Ubuntu 12.04 on Intel NUC5CPYH

I have installed Ubuntu 12.04 on intel NYC5CPYH using usb. Display was good when booted from live disk, but after installation it is giving an error of low graphics mode and after this it freezes. ...
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24 views

Laptop slow and sluggish after fresh install

Installed Ubuntu onto a Compaq with the following specifications. Memory - 5.4gib Processor - AMD E1-1200 APU with Radeon(tm) HD Graphics × 2 Graphics - Gallium 0.4 on AMD PALM Disk - 732.3 GB Not a ...
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1answer
30 views

Wine installation bug for directx

friends, I have got ubuntu 12.04 LTS, and I need to install directx 9.0c redistributable file on it which I have already downloaded...But the problem is that wine always shows dxerror.log and closes......
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57 views

Sound stopped suddenly in Ubuntu 12.04 and no sound card detected

I am using dell vostro 15 laptop (3000) series and have installed ubuntu 12.04 in it. Sound was working well before my last login. But when I started laptop, sound stopped playing and in sound ...
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24 views

Transparent hugepages in Ubuntu 12.04

In one of the Ubuntu 12.04.1 installations, I noticed that the usual file /sys/kernel/mm/transparent_hugepage/enabled is not present (since there's no folder /sys/kernel/mm/transparent_hugepage itself)...
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29 views

Digi Realport driver for iMX6

I am attempting to install the Digi Realport drivers on an Adlink SMARC SoM running Ubuntu 12.04 (3.0.35). First, I know that Digi does not specifically support arm architectures, but I want to give ...
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1answer
36 views

How can I open an unpermitted folder in external HDD?

I had an DELL Inspirion N-5030 which I used till yesterday. Today I purchased another Dell Inspirion 15 (3000 Series). The previous was installed with Ubuntu 14.04 LTS and this laptop is installed ...
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43 views

How to add multiple ips to ubuntu 12.04 server?

i hope that some can help me here. I have bought 6 additional IP:S and i need to run two gaming servers at same time for same game. So i need to add another ip so i can run these two servers at same ...
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39 views

[[2~^[[2~^ characters appearing in terminal window

I am using Ubuntu 14.04 LTS on i3 processor (laptop). When I open the terminal(ctrl+alt+T), some junk characters([[2~^[[2~^[[2~^) keep appearing. I can't even type any command on the terminal. ...
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35 views

Authorization problems after VNC uninstalling on Xubuntu 12.04

I had setup vnc through vncserver script http://manpages.ubuntu.com/manpages/hardy/man1/vnc4server.1.html .This script were launched under the root. After that i decide to use xrdp instead vnc and ...
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1answer
194 views

Fatal error:Python.h no such file or directory

root@rani-System-Product-Name:~# sudo pip install python-igraph Downloading/unpacking python-igraph Downloading python-igraph-0.7.1.post6.tar.gz (377Kb): 377Kb downloaded Running setup.py egg_info ...
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41 views

Problem in installing WiFi External LAN from Installer CD to PC, O/S Ubuntu 12.04 32 Bit

Unable to Install from the Installation CD, software of a WiFi LAN Card of MediaTek USB 2.0 -- 802.11N, by WINE application "Wine Windows Programe Loader or Q4 Wine". It shows an Error Message "...